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Heuristic
Published by Universitas 17 Agustus 1945 Surabaya
ISSN : 16938232     EISSN : 27231585     DOI : https://doi.org/10.30996/heuristic.v22i1
Core Subject : Engineering,
Engineering Industrial & Manufacturing Engineering
Jurnal HEURISTIC is published biannually, in April and October, by Industrial Engineering Department, University of 17 Agustus 1945 Surabaya. Jurnal HEURISTIC aims to: 1. Promote a comprehensive approach to industrial engineering incorporating viewpoints of different disciplines. 2. Strengthen academic exchange with other institutions. 3. Encourage scientist, practicing engineers, and others to conduct research and other similar activities. Scope of the Journal: Optimasi; Ergonomi; Manufaktur; Ekonomi & Manajemen; Logistics and Supply Chain; Data Mining; Analisa Keputusan.
Arjuna Subject : Teknik (semua kategori) - Tenik Industri dan Manufaktur
Articles 2 Documents
 1 
Search results for , issue "Vol 23, No 2 (2026) (on progress)" : 2 Documents clear
MTTR, MTBF, and OEE Analysis of a Blown Film Extrusion Machine for Preventive Maintenance Optimization Kononis, Elisabet Priska Arkadewi; Irawati, Desrina Yusi; Andrian, David
Heuristic Vol 23, No 2 (2026) (on progress)
Publisher : Fakultas Teknik Universitas 17 Agustus 1945 Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30996/heuristic.v23i1.133252

Abstract

Blown Film Extrusion Machines are critical equipment in the plastic manufacturing industry, where machine reliability and maintenance effectiveness significantly affect productivity and product quality. This condition was observed in a plastic manufacturing plant in Sidoarjo Regency, where maintenance activities are still predominantly reactive and lack a structured preventive maintenance system. This study aims to analyze the performance and reliability of Blown Film Extrusion Machines and to determine critical components as a basis for optimizing preventive maintenance through the integration of Overall Equipment Effectiveness (OEE), Mean Time Between Failure (MTBF), and Mean Time to Repair (MTTR). The research methodology employs a quantitative descriptive approach with an applied case study design. Data collection was conducted through direct observation of 11 Blown Film Extrusion Machines, including data on downtime, failure frequency, repair duration, operating time, and production output consisting of good and defective products. Data processing involved calculating OEE to evaluate machine effectiveness, MTBF to measure reliability, and MTTR to assess repair efficiency. Downtime analysis was also performed to identify components contributing most significantly to production stoppages. The results indicate an overall OEE value of 73%, an MTTR of 229.89 minutes, and an MTBF of 1,421.67 minutes. The PLC, chiller, and bearing were identified as the main contributors to downtime. This study concludes that low machine effectiveness is caused by frequent failures and prolonged repair times, highlighting the need to prioritize preventive maintenance on critical components to improve machine reliability and effectiveness.
Greenhouse Gas Emissions as a Strategic Financial Variable: A Systematic Literature Review and Bibliometric Analysis of the Manufacturing Industry Rianto, Agus; Ciptomulyono, Udisubakti
Heuristic Vol 23, No 2 (2026) (on progress)
Publisher : Fakultas Teknik Universitas 17 Agustus 1945 Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30996/heuristic.v23i1.133256

Abstract

Climate change has intensified regulatory pressure and market expectations for corporate decarbonization, particularly in carbon-intensive sectors such as manufacturing. Although numerous empirical studies have examined the relationship between greenhouse gas (GHG) emissions and financial performance, findings remain fragmented and sometimes divergent, creating uncertainty regarding the conditions under which emissions influence firm outcomes. This study synthesizes empirical evidence on the relationship between GHG emissions and financial performance in manufacturing firms through a systematic literature review of 16 studies published between 2019-2025, complemented by bibliometric analysis using VOSviewer to identify thematic clusters, research density, and temporal evolution. The results reveal a shift from treating emissions as environmental externalities toward conceptualizing them as strategic variables embedded within firm-level economic systems. Positive financial outcomes are more frequently observed when emission reduction aligns with efficiency improvements and technological progress, whereas short-term accounting effects and market-based responses may diverge depending on regulatory design and institutional context. The evidence indicates that the financial implications of carbon-related mechanisms are conditional on governance quality, policy design, market maturity, and performance measurement. These findings provide an integrative, contingency-oriented understanding of how decarbonization interacts with firm performance across heterogeneous institutional settings.

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